312948287273 has 4 divisors (see below), whose sum is σ = 312953782020. Its totient is φ = 312942792528.

The previous prime is 312948287263. The next prime is 312948287297. The reversal of 312948287273 is 372782849213.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59830627609 + 253117659664 = 244603^2 + 503108^2 .

It is a cyclic number.

It is not a de Polignac number, because 312948287273 - 2¹⁰ = 312948286249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312948287263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2661038 + ... + 2776151.

It is an arithmetic number, because the mean of its divisors is an integer number (78238445505).

Almost surely, 2^312948287273 is an apocalyptic number.

It is an amenable number.

312948287273 is a deficient number, since it is larger than the sum of its proper divisors (5494747).

312948287273 is an equidigital number, since it uses as much as digits as its factorization.

312948287273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5494746.

The product of its digits is 8128512, while the sum is 56.

The spelling of 312948287273 in words is "three hundred twelve billion, nine hundred forty-eight million, two hundred eighty-seven thousand, two hundred seventy-three".